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Jumbo OLED Fun

A few days back, a discussion on the Apple II Facebook group asked about large format Floppy Emu displays for people with vision difficulties. Here’s a 2.42 inch OLED that’s a simple drop-in replacement for the OLED in Floppy Emu Model C. With more than 3x the screen area of the standard OLED, that’s a big increase in display size!

This particular OLED was $17.99 and can be purchased here. The only minor issue is that the rightmost column of pixels appears on the left side of the display – some sort of off-by-one error.

Read 6 comments and join the conversation 

6 Comments so far

  1. Leeland Heins - March 20th, 2019 5:04 pm

    Wow! That looks great. A little expensive, but really looks wonderful!

  2. xot - March 20th, 2019 5:15 pm

    Very nice!

  3. dk3406 - July 8th, 2019 10:51 pm
  4. Mike M. - September 10th, 2022 6:05 am

    Is there a firmware fix for the ‘off by one’ pixel issue? perhaps a ‘big screen firmware’? that would be great. Thanks!

  5. Steve - September 12th, 2022 6:40 am

    There is no simple “fix”, but I sent you a one-off firmware version that draws correctly on the jumbo LED shown here. It won’t work on the normal size OLED. Displays with different sizes may also use different controller chips, which require different commands and addressing to update the display. The display is a write-only device, so unfortunately there’s no way to query it to see what controller is present.

  6. Mike M. - September 12th, 2022 7:04 am

    Thanks!!!

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